<div class="container" style="width: 100%;">
<div class="row">
<div class="card">
  <div class="card-header">
    {{singlepage.title}}
  </div>
  <div class="card-body">
    <p class="card-text"  [innerHTML]="singlepage.summary | tohtml"></p>
    <p class="card-text"  [innerHTML]="singlepage.img | tohtml"></p>
    <a  class="btn btn-primary" (click)="goBack()">返回</a>
  </div>
</div>
</div>
</div>